FIELD: rolled stock production, namely designs of band rolls for sheet hot rolling mills. SUBSTANCE: rolling roll includes arbor and wear resistant band whose thickness is equal to 0.01-0.07 of initial diameter of roll barrel. Thickness of active layer is determined by half value of difference of initial and final diameters of roll barrel and it does not exceed 0.9 of roll band thickness. Said band may be fused on or tightly fit on roll arbor. EFFECT: increased service life of roll, elimination of cracking and crumbling out of active layer of roll. 3 cl, 1 dwg
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Authors
Dates
1997-08-20—Published
1995-07-06—Filed